The cylinders and dial-boxes of



Zittittd gieten @sind @time Letters Patent No. 93,003, dated July 27,1869.

I/MPROVEMENT IN `MOULDS FOR CASTING THE CYLINDERS AND DIAL-BOXES OF lWATER-METERS.

The Schedule referred to iu these Letters Patent: and making part f thesame.

To all whom. 'it may concern Be it known that I, HENRY F. READ, ot' thecityV of Brooklyn, in the county of Kings, and State of New York, haveinvented Improved Moulds for Casting the Cylinders and Dial-Boxes ofTater-Meters; and I do hereby declare that the following' is a full,clear, and exact description thereof, reference heilig had to theaccompanying drawings, and to the letters of reference marked thereon.

The. nature of my invention consists in so constructing -the moulds thatthe'cylinder and the body of a dialhox niayhe cast in them in one piece,with-'all the necessary parts, such as slots,'screwthreads, internal aswellas external, except thecap, which, with all-its parts, is also castin another single piece, s o that when the castingis done, the work isdone, with the'exception of the making of the screw-bolts by which thecap is fastened upon the dial-boit.

To enabie others skilled iu the art to Inake and use my invention, Iwill proceedto describe the saine.

In the drawings- Figure 1 represents an inner-side vview oI' one-halfthe inould, with the core, or mandrel lying in position, and p 1`iguref2,'au upper-end yiew ofthe same.

Figure 3 represents an inner view of the other half ot' the mould, and lFigure 4, an upper-end view thereof.

Figure represents a side view ofthe cylinder and dial-box, after heiligcast, andv Figure 6, an end view thereof.

'Figure 7 represents an inside view of one-halt' the mould for the cap,and

Figure 8, an edge or cndwiew of the same. FigurcJ reprcsentsan insideviednrotxthe other half,- and y Figure 10,1111 edge view of the same,with the cappiece Q in position.

Figure 1l represents-a top viewof the cap I (when cast) ot' thedialfhox, and 1 Figure 12, an edgefviewof the same. A

I will first giro a general'description-of the parts to he cast, andtheir uses, before describing the moulds into which-they are to hecast.

In iig. 5, A is the cylinder through which the water to be measuredpasses iom the supply-pipe, and a' a. are the convex screw-threadsformed on the ends thereof, by' which theI ends are connected with thesupply-pipe.

p -is a longitudinal slot through the neck of the dialbox into thecylinder; and in this slot the driving-wheelrevolves, and communicatesthe motion which it re ceives from the Water-wheel to theindicating-apparatus, to be contained in the interior b of the dial-boxB.

g' is another slot, ruiming at right angles to the slot h' in the neckof the dial-box; and through it a shaft is to pass from thedriving-wheel, to communicate mo- `tion therefrom to the apparatus inthe interior.

'The dial-box B is formed with a wide, strong flange,

corresponding with the neck of the box, and with a wheel-house,R,whicli, when the cap is in position, furnishes the necessaryadditionalspace for the driving-wheel before mentioned. f

These flanges lon -the dial-box and iu the cap, and the holes throughboth, and the threads in the holes iu the ange of the dial-borgatesimply for the purf v vpose of securely fastening the twoparts together,by

' means ot' screw-bolts.

As shown in fig.'11, the cap has a large circular opening in its top,which is dared, to admit the rays of light upon lthe dial-plate, andthis opening is iutended to receive a glass through which the indicatorsmay beseen. l 4

The inside of the top ot' the cap is furnished with a bead, orprojecting rim, against which the glass from the interior may abut.

These two' parts-the dial-box and cap-may be cast of white metal, o rany other suitable metal, as I. claimno noveltyv in the material to beused.

I will now describe the moulds for casting the part-s above described.The moulds for the cylinder and dial-box are composed ofthe two parts, Cand F, in figs. 1 and 3, and the mandrel D. The part C gives form to theexterior of the dialhox, and, with the aid of lthe mandrel, to one-halfof the cylinder, while the part F gives fornito the iutelior of thedial-box, and, with the aid of the mandrel, to the other half ofthecylinderthe cores h and g forming the slots hf and g in the dialbox andcylinder.

no, iig., 1, are .piu-holes through the flange, and e' c are pins onvthe iauge of part F, to fit into these holes, and act as guides, andhold the two parts in their true position when casts are'made. In eachpart is one-half of the gate E, by which the molten metal is conductedinto thc mould.

` The mandrel, at the lower end, is provided with a 6, and this flange,as well as the neck of the circular collar, c, which lls that end of themould, and stops the flow of the metal, and thus forms the lower end ofthecylinder; and just above this collar' the movable collar d, serves tohold the mandrel in its proper central position, -so that the metal willilow around it, and form the cylinder. l

'lhe elevation d performs a similar office' to that performed by c'.

The female-screw threads a a out in the mould form the male threads a' aupon the cylinder, as shown in tig. 5.

The collar d is made -to slip over tue end of the mandrel, and isremovable, so that the mandrel may be withdrawn from the cylinder Aafter the cast is made. -i

The letters f indicate the ends of the set-screws, which, when a cast ismade, extend through the holes, which are provided with `feInale-screwthreads in the flange of the part F, as shown in iig. 4, to impinge uponthe other half of the ,mould O, and the molten metal flows around theirmale threads,and forms the female threads in the holes marked f' in thedial-box, as shown in fig.j 5. When the cast is made, the setsbrews fare merely turned backward, and thus withdrawn, leaving the female-screwthreads completely formed. Y

I will next describe tlie'nlould for the cap P, shown iu figs. 11 and12.

The form of the part L is shown in figs. 7 and 8.

E indicates one-half of the gate by which the melted metal is admitted;t', the core upon which is formed the interior of the wheel-house It, inthe cap P, figs. 11 and 12; and theletter j indicates the corepins uponwhich are formed the plain holes marked s, in fig..l1, in the cap; and Gis the core upon which is formed the opening in the cap, to laffordspace for the glass before mentioned; and :v isa guide-pin, and ts intohole x when the parts are together.

The other and counterpart K, in figs. 9 and 10, has a correspondingform. 'A disk, the outline of' which is indicated in part by the dottedline lw, is detachaf ble, and co-operates in giving thedesired flare andbead in the interior upperpart of the cap before described.

The core i forms the outline of the wheel-house R. shown in figs. 11 and12.l

It will appear from the foregoing description, that dial-boxes andcylinders will come tiom moulds constructed according to my inventionperfect and ready for immediate use, withthe single exception of thescrew-bolts.

As the whole is cast,there must be perfect uniformity in the size andproportion of parts, so that vlittle time or labor need be expended inttingthe in terior works into them.

It is obvious, too, that the use of my invention will greatly conduce tothe cheap and rapid manufacture of water-meters.

What I claim as new, and desire to secureby Let ters Patent, isi- 1. Themould for ythe cylinder and dial-box, composed of parts G and F, and themandrel D, with its -removable collar d, when constructed substantiallyas' y and for the purpose described.

2. The mould for the cap of the dial-box, composed of the parts L, Q,and K ,`constructed substantially as and for the purpose described.

3. The cylinder A and dial-box B and cap P, when cast in metallicmoulds, constructed substantially as described and substantially in themanner described, as a new article of manufacture.

H. F. READ.

Witnesses:

EDM. F. BROWN, A. M. S'roUT.

